Inspired by Studio Designs" line of Ponderosa tables, the Ponderosa Chair, in handsome Sonoma Brown/Pewter, is function with a sleek contemporary design. The pneumatic seat sits on a five-star metal base and is adjustable in height (max 22.5"). 5 wheel casters provide easy mobility. Meets/Exceeds ANSI-BIFMA industry standard. Overall dimensions: 23"W x 23"D x 32.5"-37.25"H